setter utilities for simplifying commands

kyaml/setters2/settersutil/fieldsetter.go

@@ -0,0 +1,43 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package settersutil
+
+import (
+	"sigs.k8s.io/kustomize/kyaml/kio"
+	"sigs.k8s.io/kustomize/kyaml/openapi"
+	"sigs.k8s.io/kustomize/kyaml/setters2"
+)
+
+// FieldSetter sets the value for a field setter.
+type FieldSetter struct {
+	// Name is the name of the setter to set
+	Name string
+
+	// Value is the value to set
+	Value string
+}
+
+// Set updates the OpenAPI definitions and resources with the new setter value
+func (fs FieldSetter) Set(openAPIPath, resourcesPath string) (int, error) {
+	// Update the OpenAPI definitions
+	soa := setters2.SetOpenAPI{Name: fs.Name, Value: fs.Value}
+	if err := soa.UpdateFile(openAPIPath); err != nil {
+		return 0, err
+	}
+
+	// Load the updated definitions
+	if err := openapi.AddSchemaFromFile(openAPIPath); err != nil {
+		return 0, err
+	}
+
+	// Update the resources with the new value
+	inout := &kio.LocalPackageReadWriter{PackagePath: resourcesPath}
+	s := &setters2.Set{Name: fs.Name}
+	err := kio.Pipeline{
+		Inputs:  []kio.Reader{inout},
+		Filters: []kio.Filter{kio.FilterAll(s)},
+		Outputs: []kio.Writer{inout},
+	}.Execute()
+	return s.Count, err
+}